Hexane → HCID 131717464, compound

Participants

Reaction Steps

Using the procedure of Example 8 but replacing benzylmagnesium chloride with cyclohexylmagnesium chloride (2.0M solution in ether) and replacing the resultant compound of Example 7 with the resultant compound of Example 14 provided, after chromatography on silica gel using 6:1 hexane:ethyl acetate, the desired compound (Rf 0.65, 2:1 hexane:ethyl acetate) in 82% yield. 1H NMR (CDCl3) δ 0.6-1.7 (br envelope, 11 H), 1.41 (s, 9 H), 2.69 (m, 1 H), 2.75 (dd, J=14, 7 Hz, 1 H), 2.89 (dd, J=14, 5 Hz, 1 H), 3.66 (s, 3 H), 4.41 (m, 2 H), 5.44 (AA', 2 H), 7.1-7.3 (m, 5 H). Mass spectrum: (M+H)+ =402.

Provenance & Evidence